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milvus/internal/datanode
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congqixia 6445880753
fix: prevent segments got flushed multiple times (#30240) 
See also #30111

Segments could be "Flushed" only by `FlushSegments` grpc call from
datacoord by design. There are two possible reason to cause one segment
got flushed multiple times.

- Segment is in flushing state during multiple epoch in flowgraph
- Segment is flushed by flushTs & Flush segments

So this pr fix:

- Remove state change logic form FlushTs policy
- Change Flush segment into three stage way: Sealed->Flushing->Flushed
preventing multiple Flushed=true operations.

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2024-01-24 14:19:00 +08:00
..
allocator
Replace manual composed grpc call with Broker methods (#27676)
2023-10-13 09:55:34 +08:00
broker
enhance:don't store logPath in meta to reduce memory (#28873)
2024-01-18 22:06:31 +08:00
io
enhance: Add open telemetry tracing for compaction (#30168)
2024-01-23 10:37:00 +08:00
iterators
Add float16 approve for multi-type part (#28427)
2024-01-11 15:48:51 +08:00
metacache
fix: Set segment level for comapct to segment (#30129)
2024-01-19 18:52:53 +08:00
syncmgr
fix: Set segment level for comapct to segment (#30129)
2024-01-19 18:52:53 +08:00
writebuffer
fix: prevent segments got flushed multiple times (#30240)
2024-01-24 14:19:00 +08:00
binlog_io_test.go
enhance: make compactor use actual buffer size to decide when to sync (#29945)
2024-01-13 01:32:52 +08:00
binlog_io.go
enhance: Add open telemetry tracing for compaction (#30168)
2024-01-23 10:37:00 +08:00
cache_test.go
Make duplicate flush recalls success and other logic update (#16755)
2022-05-06 17:49:51 +08:00
cache.go
Use typeutil.ConcurrentMap instead of sync.Map (#25846)
2023-07-24 10:23:01 +08:00
channel_checkpoint_updater.go
feat: Introduce channelCheckpointUpdater to reduce goroutine use in ttNode (#28570)
2023-12-12 13:48:42 +08:00
channel_manager_test.go
enhance: Change DN channelmanger into interface (#29307)
2023-12-27 16:00:48 +08:00
channel_manager.go
enhance: Change DN channelmanger into interface (#29307)
2023-12-27 16:00:48 +08:00
compaction_executor_test.go
fix: Separate schedule and check results loop (#28692)
2023-11-29 10:50:29 +08:00
compaction_executor.go
fix: Add more throughput in related metrics (#30038)
2024-01-19 11:34:54 +08:00
compactor_test.go
fix: the delete msg disorder issue (#29915)
2024-01-14 10:26:52 +08:00
compactor.go
enhance: Add open telemetry tracing for compaction (#30168)
2024-01-23 10:37:00 +08:00
data_node_test.go
enhance: Add FlowgraphManager interface (#28852)
2023-11-30 18:42:32 +08:00
data_node.go
enhance: Change DN channelmanger into interface (#29307)
2023-12-27 16:00:48 +08:00
data_sync_service_test.go
fix: Use channel cp as the dml&start position for import segments (#30107)
2024-01-22 14:36:55 +08:00
data_sync_service.go
enhance:don't store logPath in meta to reduce memory (#28873)
2024-01-18 22:06:31 +08:00
event_manager_test.go
enhance: Add FlowgraphManager interface (#28852)
2023-11-30 18:42:32 +08:00
event_manager.go
fix: Save lite WatchInfo into etcd in DataNode (#29687)
2024-01-10 21:18:49 +08:00
flow_graph_dd_node_test.go
Format the code (#27275)
2023-09-21 09:45:27 +08:00
flow_graph_dd_node.go
fix: Add more throughput in related metrics (#30038)
2024-01-19 11:34:54 +08:00
flow_graph_dmstream_input_node_test.go
Support to replicate the mq message (#27240)
2023-10-20 14:26:09 +08:00
flow_graph_dmstream_input_node.go
fix: add back existing datanode metrics (#29360)
2023-12-22 14:20:43 +08:00
flow_graph_manager_test.go
enhance: Add FlowgraphManager interface (#28852)
2023-11-30 18:42:32 +08:00
flow_graph_manager.go
enhance: Add FlowgraphManager interface (#28852)
2023-11-30 18:42:32 +08:00
flow_graph_message_test.go
Format the code (#27275)
2023-09-21 09:45:27 +08:00
flow_graph_message.go
Format the code (#27275)
2023-09-21 09:45:27 +08:00
flow_graph_node.go
Make flow graph retry longer (#24355)
2023-05-25 09:53:30 +08:00
flow_graph_time_tick_node.go
fix: Skip updating checkpoint after dropcollection (#29220)
2023-12-15 16:04:45 +08:00
flow_graph_time_ticker.go
enhance: create goroutine only once (#28594)
2023-11-22 10:26:28 +08:00
flow_graph_write_node.go
enhance: Remove commented code and fix naming issue (#28450)
2023-11-16 00:22:20 +08:00
flush_task_counter_test.go
Fix flushManager.isFull is too slow (#28141)
2023-11-03 14:42:17 +08:00
flush_task_counter.go
Fix flushManager.isFull is too slow (#28141)
2023-11-03 14:42:17 +08:00
io_pool_test.go
Fix copylocks linter errors (#26217)
2023-08-08 20:41:15 +08:00
io_pool.go
Fix getting incorrect CPU num (#28146)
2023-11-06 06:02:16 +08:00
l0_compactor_test.go
feat: Add levelzero compaction in DN (#28470)
2023-11-30 14:30:28 +08:00
l0_compactor.go
enhance: Add open telemetry tracing for compaction (#30168)
2024-01-23 10:37:00 +08:00
meta_service_test.go
Replace manual composed grpc call with Broker methods (#27676)
2023-10-13 09:55:34 +08:00
meta_service.go
Replace manual composed grpc call with Broker methods (#27676)
2023-10-13 09:55:34 +08:00
meta_util.go
Use go-api/v2 for milvus-proto (#24770)
2023-06-09 01:28:37 +08:00
metrics_info.go
enhance: Add FlowgraphManager interface (#28852)
2023-11-30 18:42:32 +08:00
mock_channelmanager.go
enhance: Change DN channelmanger into interface (#29307)
2023-12-27 16:00:48 +08:00
mock_fgmanager.go
enhance: separate serializer logic from sync task (#29413)
2023-12-26 10:40:47 +08:00
mock_test.go
enhance: make compactor use actual buffer size to decide when to sync (#29945)
2024-01-13 01:32:52 +08:00
OWNERS
[skip ci]Update OWNERS files (#11898)
2021-11-16 15:41:11 +08:00
rate_collector_test.go
Move some modules from internal to public package (#22572)
2023-04-06 19:14:32 +08:00
rate_collector.go
Format the code (#27275)
2023-09-21 09:45:27 +08:00
README.md
…
services_test.go
fix: Use channel cp as the dml&start position for import segments (#30107)
2024-01-22 14:36:55 +08:00
services.go
enhance: Add open telemetry tracing for compaction (#30168)
2024-01-23 10:37:00 +08:00
stats_updater_test.go
Use writebuffer, sync manager refactory in datanode (#28320)
2023-11-15 15:24:18 +08:00
stats_updater.go
enhance:Remove msgbase unnecessary assignments (#28511)
2023-11-24 15:02:39 +08:00
timetick_sender_test.go
Refine datanode Timetick Sender (#28393)
2023-11-13 21:46:20 +08:00
timetick_sender.go
Refine datanode Timetick Sender (#28393)
2023-11-13 21:46:20 +08:00
util.go
Format the code (#27275)
2023-09-21 09:45:27 +08:00

README.md

Data Node

DataNode is the component to write insert and delete messages into persistent blob storage, for example MinIO or S3.

Dependency

  • KV store: a kv store that persists messages into blob storage.
  • Message stream: receive messages and publish imformation
  • Root Coordinator: get the latest unique IDs.
  • Data Coordinator: get the flush information and which message stream to subscribe.